181026320

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 431222400

約数和(自身を除く): 250196080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 137, 166, 199, 274, 332, 398, 415, 548, 664, 685, 796, 830, 995, 1096, 1328, 1370, 1592, 1660, 1990, 2192, 2740, 3184, 3320, 3980, 5480, 6640, 7960, 10960, 11371, 15920, 16517, 22742, 27263, 33034, 45484, 54526, 56855, 66068, 82585, 90968, 109052, 113710, 132136, 136315, 165170, 181936, 218104, 227420, 264272, 272630, 330340, 436208, 454840, 545260, 660680, 909680, 1090520, 1321360, 2181040, 2262829, 4525658, 9051316, 11314145, 18102632, 22628290, 36205264, 45256580, 90513160, 181026320]

約数ペア:

[(1, 181026320), (2, 90513160), (4, 45256580), (5, 36205264), (8, 22628290), (10, 18102632), (16, 11314145), (20, 9051316), (40, 4525658), (80, 2262829), (83, 2181040), (137, 1321360), (166, 1090520), (199, 909680), (274, 660680), (332, 545260), (398, 454840), (415, 436208), (548, 330340), (664, 272630), (685, 264272), (796, 227420), (830, 218104), (995, 181936), (1096, 165170), (1328, 136315), (1370, 132136), (1592, 113710), (1660, 109052), (1990, 90968), (2192, 82585), (2740, 66068), (3184, 56855), (3320, 54526), (3980, 45484), (5480, 33034), (6640, 27263), (7960, 22742), (10960, 16517), (11371, 15920)]